<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #head3 {
            text-align: center;
            font-size: 16px;
            color: brown;
        }

        table {
            margin: 0 auto;
            border-collapse: collapse;
            /*合并相邻边框*/
        }

        th {
            padding: 45px 90px;
        }

        table,
        tr,
        th {
            font-size: 16px;
            border: 10px solid red;

        }
    </style>
</head>

<body>
    <h3 id="head3">订单确认</h3>
    <table>
        <tr>
            <th>商品名称</th>
            <th>价格</th>
            <th>数量</th>
            <th>地址</th>
            <th>总价</th>
        </tr>
    </table>
</body>

</html>